共 15 条
[1]
AMIES SJ, 1982, FMS33 MILK MARK BOAR
[2]
AVERY BW, 1964, SOILS LAND USE DISTR
[3]
Davies A., 1981, SWARD MEASUREMENT HD, P39
[4]
FORBES TJ, 1980, FACTORS AFFECTING PR
[6]
HODGSON JM, 1976, SOIL SURVEY FIELD HD
[7]
MORRISON J, 1980, 27 GRASSL RES I TECH
[8]
MORRISON J, 1980, 12 GRASSL RES I INF
[10]
PEEL S, 1982, GRASS FORAGE SCI, V37, P169, DOI 10.1111/j.1365-2494.1982.tb01594.x